/Engine/Source/Developer/Settings/Public/ISettingsContainer.h
Gets the setting categories.
The number of categories returned.
int32 GetCategories ( [TArray](API\Runtime\Core\Containers\TArray)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ISettingsCategory](API\Developer\Settings\ISettingsCategory) >> & OutCategories ) const